CT Duplicati & Jellyfin: Fixes for upgrade to Debian 13

- Duplicati: Fixed curl commands  and  migrated install to deb package
- Jellyfin: Install failed due to 'missing'  libjemalloc,  this  will now be installed earlier in the process

Readme.md

@@ -220,7 +220,8 @@ lxc.mount.entry: /dev/ttyACM-Zwave dev/ttyACM-Zwave none bind,optional,create=fi
 * NFS server Available
 
 ## duplicati
-* Available on http://`<ip>`:8200
+1. Run the FistRun script in the container to set the password `bash /opt/Setup/Scripts/FirstRun.sh`
+2. Available on http://`<ip>`:8200
 
 ## mailbackup
 * Info html page available on http://`<ip>`:80